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Article #291

Re: Using genetic engineering for exhaustive DES key search

#291
From: Damon
Date: Sun, 01 Nov 1992 19:28
35 lines
2444 bytes
In article <17786@autodesk.COM> drake@Autodesk.COM (Dan Drake) writes:
>wcs@anchor.ho.att.com (Bill Stewart +1-908-949-0705) writes:
>+ 
>+    lou@Cadence.COM (Louis K. Scheffer) writes:
>+    +The basic approach would be to build a bacteria that acts as a DES key search
>+    +machine.  Each bacteria generates keys at random, decrypts the encrypted block 
>+    +with the key, and compares the result with the plaintext.  If there is a match,
>+ 
>+ A real computer virus, eh?  The difficult part is to gen up an enzyme
>+ that generates _random_ numbers, represented as e.g. random proteins.
>+ (OK, I'm not sure getting a bacterium to do DES is really that
>+ straightforward either, but ....)  Enzymes like to always do the same thing.
>+ The obvious approach is to use mutations to create the randomness,
>+ but the mutagen would also presumably affect the compare-the-results genes.
>+ So you've now got a very large number of very small monkeys typing away,
>+ and another crowd of monkeys randomly yelling "This stuff is Shakespeare!" :-)
>+ --
>+                               Pray for peace;      Bill
>+ #Bill Stewart 908-949-0705 wcs@anchor.ho.att.com AT&T Bell Labs 4M312 Holmdel NJ
>+ # Trickle-Down Economics: Giving money to government bureaucrats 
>+ #     and hoping some will trickle down to the people who need help.
>
>It's surprising that no one has mentioned the immune system here.
>Generating a zillion variant cells which make a zillion variant
>antibodies, apparently at random, is just what makes it possible to

Only about 10,000,000,000 variations at my last calculation, and fairly
deterministic.

Damon
-- 
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Newsgroups: sci.crypt
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From: dhd@exnet.co.uk (Damon)
Subject: Re: Using genetic engineering for exhaustive DES key search
Message-ID: <Bx1y31.9n5@exnet.co.uk>
Organization: ExNet Systems Ltd Public Access News, London, UK
References: <WCS.92Oct6234611@rainier.ATT.COM+ <17786@autodesk.COM>
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Date: Sun, 1 Nov 1992 19:28:12 GMT
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